User Agent Category: Code Validator
Code Validators are online tools or local applications that validate HTML, CSS, XML, RSS, XSL format of web pages, as well as syntax of hyperlinks or the overall site structure. Based on a set of standard rules, they determine if your pages obbey W3C regulations. Link Validators will make sure your URLs have a correct format. Most Validators will not visit your site, unless you specifically required their service.
| Agent | Description |
|---|---|
| CSE HTML Validator | Validator for Windows. |
| CSSCheck | CSS Checker and Online validator |
| Cynthia | Validator for Cynthia Says portal, a web content accessibility validation solution. It is designed to identify errors in your content related to Section 508 standards and/or the WCAG guidelines. |
| Html Link Validator | Lithops Software link validation tool. |
| HTML Validator | Free online HTML Editor and Syntax Checker, with download version available. |
| HTMLParser | Open source Java library used to parse HTML in either a linear or nested fashion. Primarily used for transformation or extraction, it features filters, visitors, custom tags and easy to use JavaBeans. It is a fast, robust and well tested package. |
| JCheckLinks | Java hyperlink validator. |
| Jigsaw | Online CSS Validator. |
| LinkAlarm | Link validation. |
| LinkScan | Shareware robot from Elsop.com, used by Indiafocus/Indiainfo and others. LinkScan checks links, validates HTML and creates site maps. |
| NetMechanic | NetMechanic is a link validation and HTML validation robot, which runs using a web page interface. |
| P3P Validator | The Platform for Privacy Preferences Project (P3P). |
| SyncIT | Link validation. |
| TricosMetaCheck | Meta tag validation. |
| W3C Validator | Markup Validation Service, that checks web pahes in HTML/XHTML format for conformance to W3C Recommendations and other standards. |
| WDG Validator | HTML Online Page or Site Validator. |
| Web Link Validator | Link validation software. |
| WebBug | Web server protocol test. |